# Angle plc Types of Angles

Classify angles on the basis of their measure, i.e. identify right angles, axinh tươi angles & obtuse angles.

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In geometry, an angle can be defined as the figure formed by two rays meeting at a common kết thúc point.

An angle is represented by the symbol ∠. Here, the angle below is ∠AOB. Angles are measured in degrees, using a protractor.

Arms: The two rays joining lớn size an angle are called arms of an angle. Here, OA and OB are the arms of the ∠AOB.

Vertex: The common kết thúc point at which the two rays meet khổng lồ khung an angle is called the vertex. Here, the point O is the vertex of ∠AOB. We can find angles in various things around us, such as in a pair of scissors, a hockey stiông chồng, a chair. ## Types of Angles

Angles can be classified on the basis of their measurements as

-Axinh đẹp Angles -Right Angles -Obtuse Angles

-Straight Angles -Reflex Angles -Complete Angles Exterior angles: Exterior angles are the angles formed outside between any side of a shape, & a line extended from the adjoining side. Here, ∠ACD is an exterior angle. Fun FactsThe word ‘angle’ has been derived from the Latin word Angulus, meaning “a little bending”.The concept of angle was first used by Eudemus, who defined an angle as a deviation from a straight line.

## Let"s bởi it!

Instead of handing out geometry angles worksheets khổng lồ your children, ask your child to observe/spot the things in which they can find different angles such as in a hanger, hands of a clock, or the roof a house.

## Related math vocabulary  